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为什么 Android 和 iOS 渲染架构不一样,各有什么优劣势?_贵州省贵阳市花溪区谋乎像词图书资料有限公司

为什么 Android 和 iOS 渲染架构不一样,各有什么优劣势?_贵州省贵阳市花溪区谋乎像词图书资料有限公司

为什么 Android 和 iOS 渲染架构不一样,各有什么优劣势?

小七 141 0

其实我觉得这个不应该是描述里的 「 SurfaceFlinger 和 backboardd 的区别」,更多应该是 Metal 和 Vulkan 的区别。

为什么这么说?首先简单区分下 Android 和 iOS framework 层面渲染框架的差异。

AndroidAndroid 上一切内容都会渲染到 Surface 上,Surface 大部分来自 Window ,在 framework 层面调用了 Canvas.draw 之后,实际上转化为绘制指令提交给 RenderThread ,RenderThread 向 GPU 发出命令,最终通过 SurfaceFlinger …。

为什么 Android 和 iOS 渲染架构不一样,各有什么优劣势?
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